FIX: restore Python 3.9 compatibility in tools/#22
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16 tools use `X | None` union syntax in type annotations, which is evaluated at runtime on function definition and raises TypeError on Python 3.9 (PEP 604 unions require 3.10+). This broke every cloud GPU tool on import, despite CLAUDE.md and verify_setup.py advertising "Python 3.9+" support. Add `from __future__ import annotations` to each affected file so all annotations are treated as lazy strings. Verified no non-annotation 3.10+ usage (no match statements, no runtime isinstance unions), so this fully restores 3.9 support with zero behavior change. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
16 tools in
tools/use PEP 604 union syntax (X | None) in type annotations. Because these appear on function signatures, they are evaluated at function-definition time and raiseTypeError: unsupported operand type(s) for |: 'type' and 'NoneType'on Python 3.9 (PEP 604 unions require 3.10+).This breaks every cloud GPU tool on import — e.g.
file_transfer.pyfails to import, which cascades to all R2/Modal/RunPod tooling — despiteCLAUDE.mdandverify_setup.pyboth advertising "Python 3.9+" support.Fix
Add
from __future__ import annotationsto each affected file, so all annotations are treated as lazy strings and never evaluated at runtime.Verified there is no non-annotation 3.10+ usage (no
matchstatements, no runtimeisinstance(x, A | B)unions), so this fully restores Python 3.9 support with zero behavior change.Files (16)
addmusic,cloud_gpu,config,dewatermark,file_transfer,flux2,locate_watermark,music,notebooklm_brand,qwen3_tts,redub,sadtalker,sfx,sync_timing,upscale,voiceoverTesting
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